De Carvalho, M.R.; Maisey, J.G.; Grande, L. (2004). Freshwater stingrays of the Green River Formation of Wyoming (Early Eocene), with the description of a new genus and species and an analysis of its phylogenetic relationships (Chondrichthyes: Myliobatiformes). Bulletin of the American Museum of Natural History, 284, 1-136
5013
De Carvalho, M.R.; Maisey, J.G.; Grande, L.
2004
Freshwater stingrays of the Green River Formation of Wyoming (Early Eocene), with the description of a new genus and species and an analysis of its phylogenetic relationships (Chondrichthyes: Myliobatiformes).
Bulletin of the American Museum of Natural History